Function unique

Returns unique items from an iterable or array of iterables.

const data = [ 'apples', 'oranges' ]
const data2 = [ 'oranges', 'pears' ]
const unique = [...unique([data,data2]];
// Yields: [ 'apples', 'oranges', 'pears' ]
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Uses object reference to compare values. Use uniqueByValue if this doesn't suffice.

Param: iterable

Iterable, or array of iterables